Power Electronic Device

Application of Silicon Direct Bonding Technique in New Power Electronic Device

硅直接键合（SDB）技术在新型电力电子器件应用中的新进展

An object oriented way for power electronic device modeling

一种面向对象的电力电子器件建模方法

Introduction was made to the classification and development of power electronic device .

介绍了电力电子器件的分类和发展。

The Situation Monitoring Technology of the Power Electronic Device Based on the Leakage Current

基于泄漏电流的电力电子装置状态监测技术

The PSPICE Multiple Transient Analysis for the Study of Power Electronic Device Model Characteristics

用PSPICE多瞬态分析法建立新型电力电子器件的模型特性

Fault Diagnosis of Power Electronic Device Based on Wavelet Packet Energy Method and Neural Network

基于小波包能量法及神经网络的电力电子装置故障诊断

Series and parallel of the power electronic device

电力电子器件的串并联联接

High frequency and digital control are the hot spots of the designs of power electronic device .

高频化和全数字化是目前电力电子设备设计中的热点。

Coolling method for the power electronic device

电力电子器件的冷却方式

The electromagnetic interference becomes very important for using power electronic device in solar photovoltaic grid-connected power system .

并网光伏系统由于使用了大量的电力电子器件，使得系统的电磁干扰问题较为突出，而诊断由电磁干扰引发的系统故障也已成为科研人员关注的焦点。

With the widely use of power electronic device the problem of harmonic distortion in power system becomes ever more important .

随着电力电子装置的广泛应用，电力系统的谐波问题日益突出。

Analysis of shielding effect on coupling capacitance between heatsink and power electronic device by FDTD method

用FDTD法分析散热片屏蔽层对耦合电容的时频特性影响

For meeting power electronic device increasingly complex requirement , the Digital Signal Processor is more universally used in the controller system .

为了满足电力电子装置日益复杂的功能要求，数字信号处理器在其控制器中的应用日益普遍。

Now with the development of power electronic device and control technology , switching electroplating power supply is gradually replaced traditional electroplating power supply .

目前随着电力电子器件以及控制技术的发展，采用开关电源方式的电镀电源逐渐替代传统的电镀电源。

But limited by low voltage rank of power electronic device and high cost , APF is seldom used in high voltage grids .

但受限于电力电子开关器件的电压和电流等级以及成本，在中高压系统应用较少。

The paper briefly reviews the development of semiconductor power electronic device , introduces the present situation of its research aad production , and probes into its developing direction .

本文简略回顾了半导体电力电子器件的发展，介绍它的研制及生产现状，并探讨了发展方向。

By linking the DC relay contactor with power electronic device , the DC hybrid switch apparatus without switching arcing was designed and accomplished .

采用直流开关电器与电力电子器件相结合方式，设计并实现了能够实现无弧通断的直流混合开关电器。

As the result of grouping of power electronic device , AC frequency conversion technology marks the modern technology of AC electronic drive speed regulation , just as computer control .

随着新型电力电子器件的发展，交流变频调速技术和计算机控制一样，成为现代交流传动调速技术领域的主要标志之一。

This paper discusses the main circuit fault character of the power electronic device and explains that fast and slow faults in the power electronic circuit must be treated differently .

根据电力电子装置的主回路故障特点，提出了电力电子电路有突变故障和缓变故障的区分，归纳了处理故障的三种方法，确定了从设备输出端采集三相电压电流信号的基本方案。

This paper approaches one kind of power electronic device simulative model , composed of diode and controlled switch . This model can reflect the main switching features of power electronic devices .

研究了由二极管和可控开关组成的电力电子器件仿真模型，它反映了电力电子器件的主要开关特征。

But the withstand voltage of power electronic device is still finite , which not only limits the overvoltage tolerant capability , but also presents challenges on overvoltage protection .

然而，受半导体材料的影响，电力电子器件的耐压始终有限，这不但限制了高压变频器过电压的承受能力，还增加了过电压保护设计的难度。

The principle of in frequency converter using large high-voltage power electronic device IGBT was discussed . And the cause of fault was analyzed as well as the lesson should be learned .

叙述了大功率高压电力电子器件IGBT变频传动装置整流器系统的原理，着重分析了故障原因及应吸取的教训。

IT also puts forward a method of the monitor system of power electronic device based on Nios embedded processor , gives the hardware interface , software flowcharts , and some source codes .

同时提出了一种基于Nios嵌入式软核处理器的电力电子设备监控系统，给出了硬件接口和软硬件设计方案，并给出了软件流程和部分源程序。

One sort of current-controlled convener is designed by using power electronic device IGBT according to AC step motion control theory , which combines speed control with position control to synchronous motor .

依据交流步进控制原理，采用新一代电力电子器件IGBT，设计了一种电流控制型的变频器，把同步电动机的速度控制和位置控制结合在一起。

If the selection of protection parameter is unreasonable , it may result in spike voltage , which can decrease the insulation of the power electronic device , intermittently discharge and even damage the device .

保护参数选取的不合理，便会产生很高的尖峰电压造成电力电子器件绝缘降低，间歇性放电甚至器件损坏。

However , at high discharge rates , the utilization rate of the manganese dioxide cathode is low . For example , only 30-40 % of the active material in an alkaline Zn / MnO2 battery is utilized in a high power electronic device .

但是在大电流、高功率放电时，二氧化锰正极材料的利用率低，只有30～40%。

With the wide application of the power electronic device to industry , the harmonic current produced by it is injected into the grid and influences the normal work of the electric equipment . The problem of harmonic pollution has become an important issue of the quality of power supply .

随着电力电子器件在工业中的广泛应用，其产生的谐波电流注入电网，影响电气设备的正常工作，谐波治理已经成为电力系统的重要问题。

In 21st century , digital adjustor has been widely used in various of industrial machines ' drive . With its price decreasing and the greatly advancing of technology , the performance of power electronic device has increasingly manifested its superiority in speed regulation of the motor .

21世纪数字化调节器已广泛应用在各种产业机械的驱动控制中，并且其性能随着电力电子元器件价格滑落，及微处理器技术的发展，在电动机驱动系统中的应用也日益显现出自身的优势。

Invertor Arc Welding Machine and Contemporary Electric Power & Electronic Device

逆变弧焊整流器与现代电力电子器件

The Technology of Switch-Linearity Hybrid and Its Application on Power Electronic Converter Device

开关线性复合技术（SLH）及其在电力电子变换领域中的应用